CN201115381Y

CN201115381Y - Structure improvement of hammer block

Info

Publication number: CN201115381Y
Application number: CNU200720125593XU
Authority: CN
Inventors: 侯津津
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-09-29
Filing date: 2007-09-29
Publication date: 2008-09-17
Anticipated expiration: 2017-09-29

Abstract

The utility model relates to an improved structure of a hammer block. The inner core of the hammer block is integrally formed by metal material through compression casting or extruding, a punched hole penetrating the axial center and a lead angle are directly and respectively formed in the center of the inner core and the both side end edges outside during the process of compression casting or extruding, and after an inner sleeve is inserted into the punched hole in the center, an outer covering layer which is isolated from the exterior space is injected on the outer surface of the inner core by using the plastic injection technology. Because the outer covering layer is completely connected and matched with the inner sleeve, the phenomenon that outer covering layer or the inner sleeve is stripped out under external force can be prevented.

Description

The structural improvement of hammer piece

Technical field

The utility model relates to a kind of hammer piece of being located on the fishing net of tying up, especially refer to that it can utilize inner sleeve and external coating to prevent that direct the doing with air or water of kernel from contacting, can not cause the kernel oxidation in use relatively, get rusty, be placed on and also unexpectedly in the water cause environmental pollution.

Background technology

Press, the hammer piece that the tradition fishing net is used, generally all be to constitute with plumbous foundry goods or iron castings, this be because plumbous foundry goods have fusing point low, be easy to characteristics such as processed, but also because lead is a kind of harmful metal, contact if often do directly in use with plumbous foundry goods, will cause bad influence to human body, and new line gradually along with environmental consciousness, some countries forbid the leadwork import with explicit order, iron castings then have draw materials easily, characteristics such as low cost of manufacture, but also because the easy oxidation of iron castings, get rusty, and polluted source.Promptly there is the dealer to be provided with the clad that lead or iron are hedged off from the outer world, just can avoids direct the doing of human body to contact in view of the above in use, and can slow down lead or iron natural destruction with plumbous foundry goods at the outer surface of hammer piece.

As shown in Figure 8, be present known hammer block structure, it mainly is to utilize for the first time plastics to penetrate and plastics emission technology for the second time respectively at hammer piece (40) central perforation (41) and outer surface, and be formed with internal coating (42) and external coating (43), and this inside and outside clad (42) (43) fusion of joining, to avoid under the external force effect phenomenon generation that promptly has external coating (43) or internal coating (42) to separate.

Only, because this known hammer piece (40) needs through twice ejaculating forming, in just being formed with, external coating (42) (43), so not only produce, cost of manufacture can be higher, during more because of ejaculation, need between two molds, to do transfer, and making its speed of production can be slower, technology will be loaded down with trivial details relatively, moreover, when hammer piece (40) is penetrated notes internal coatings (42), if plastics are coating fully not, will be formed directly in the perforation (41) because of it, and be not easy to be found, make this hammer piece (40) still have internal coating (42) breakage, be placed in the water and can get rusty and the misgivings of contaminated environment relatively.

How to research and develop improvement, real target for the required effort research and development of relevant industry at the existing shortcoming of above-mentioned known hammer block structure.

The utility model content

The purpose of this utility model is to provide a kind of structural improvement of hammering piece into shape, to overcome the defective that exists in the above-mentioned known technology.

For achieving the above object, the structural improvement of the hammer piece that the utility model provides, after the perforation of its hammer piece kernel central authorities is normalized inner sleeve insertion for one, penetrate in the kernel appearance with the plastics emission technology again and be marked with the external coating that one deck and space outerpace are isolated, and because external coating system fully and the inner sleeve fusion of joining, so can prevent under external force, the phenomenon that has external coating or inner sleeve to separate produces;

By said structure, just can utilize the isolated of external coating and inner sleeve in use, to avoid kernel directly to do and contact with air or water, the phenomenon of can prevent oxidation relatively, getting rusty is placed in the water and also can cause environmental pollution.

The structural improvement of described hammer piece, wherein hammer into shape the piece kernel with metal material through die casting, and one-body moldedly go out.

The structural improvement of described hammer piece, wherein hammer into shape the piece kernel with metal material through extruding, and one-body moldedly go out.

The structural improvement of described hammer piece, wherein kernel is an ironwork.

The structural improvement of described hammer piece, wherein kernel both sides ora terminalis all is formed with lead angle, after external coating is penetrated on the notes, can constitute the external form attractive in appearance of an olive or toroidal.

The structural improvement of described hammer piece, wherein inner sleeve one end has flange, when inner sleeve is inserted in the perforation of kernel, can make flange be exposed outside, the other end stretches out a suitable section relatively, for the external coating fusion of joining.

The structural improvement of described hammer piece, wherein inner sleeve cooperates an enclosing cover to use, this is outer to cover and has a flange, when inner sleeve with enclosing cover during respectively by the insertion of perforation two ends, can make enclosing cover not have an end down of flange and go in the inner sleeve.

The structural improvement of described hammer piece, wherein inner sleeve cooperates an enclosing cover to use, and this is outer to cover and has a flange, when inner sleeve during respectively by the insertion of perforation two ends, can make the interior square end of inner sleeve and enclosing cover connect with enclosing cover.

The structural improvement of described hammer piece, wherein inner sleeve is established and is the multistage shape, and cooperates an enclosing cover group if use.

The contrast known technology, effect of the present utility model is as follows:

(1) the utility model provides the structural improvement of hammer piece, the kernel of its hammer piece is sealed up by inner sleeve and external coating, so in use, just can avoid kernel directly to do with air or water and contact, the phenomenon of can prevent oxidation relatively, getting rusty is placed on and also unexpectedly in the water causes environmental pollution.

(2) the utility model provides the structural improvement of hammer piece, and its hammer piece only needs just once to penetrate and can complete, so can effectively reduce cost.

(3) the utility model provides the structural improvement of hammer piece, and its kernel need not done conversion between two moulds, so just can effectively simplify the making flow process, will be rapid relatively during production.

(4) the utility model provides the structural improvement of hammer piece, and its inner sleeve can check earlier whether this inner sleeve has breakage before inserting, and in view of the above, just can prevent effectively that the flaw finished product from producing, and does not also worry the inner sleeve breakage during use, causes the hammer piece to get rusty and contaminated environment.

Description of drawings

Fig. 1: be three-dimensional combination figure of the present utility model.

Fig. 2: be three-dimensional exploded view of the present utility model.

Fig. 3: be combination section of the present utility model.

Fig. 4: the three-dimensional exploded view that is another embodiment of the utility model.

Fig. 5: the combination section that is another embodiment of the utility model.

Fig. 6: the combination section that is the another embodiment of the utility model.

Fig. 7: be the utility model combination section of an embodiment again.

Fig. 8: be known three-dimensional appearance and part sectioned view.

Primary clustering symbol description in the accompanying drawing:

Kernel-----(10)

Perforation-----(11)

Lead angle-----(12)

Inner sleeve----(20)

Flange-----(201)

Enclosing cover-----(21)

Flange-----(211)

External coating---(30)

Hammer piece-----(40)

Perforation-----(41)

Internal coating---(42)

External coating---(43)

Embodiment

Understand and understanding for having further the purpose of this utility model, feature and effect, below please conjunction with figs. enumerate embodiment, detailed description is as the back:

At first, please extremely shown in Figure 3 earlier by figure, its the hammer piece kernel (10) be with metal material (as iron) after die casting or extruding, and one-body moldedly go out, and this kernel (10) central authorities and foreign side's both sides ora terminalis directly are formed with a perforation (11) and lead angle (12) that penetrates its axle center respectively in die casting or when extruding, after the perforation (11) of central authorities then is normalized inner sleeve (20) insertion for one, penetrate in kernel (10) appearance with the plastics emission technology again and be marked with the external coating (30) that one deck and space outerpace are isolated, and because external coating (30) is fully and inner sleeve (20) fusion of joining, so can prevent under external force, the phenomenon that has external coating (30) or inner sleeve (20) to separate produces, and because kernel (10) both sides ora terminalis all is formed with lead angle (12), so after external coating (30) is penetrated on the notes, can constitute the external form attractive in appearance of an olive or toroidal.

By said structure, because the kernel (10) of hammer piece is sealed up by inner sleeve (20) and external coating (30), so in use, just can avoid kernel (10) directly to do with air or water contacts, can prevent oxidation relatively, the phenomenon of getting rusty, be placed in the water and also can not cause environmental pollution, and because this hammer piece only needs just once to penetrate and can complete, so can effectively reduce cost, and kernel (10) need not do conversion between two moulds, so just can effectively simplify the making flow process, will be rapid relatively during production, again because before inner sleeve (20) insertion, can check earlier whether this inner sleeve (20) has breakage, in view of the above, just can prevent effectively that the flaw finished product from producing, also do not worry inner sleeve (20) breakage during use, cause the hammer piece to get rusty and contaminated environment.

In addition, its inner sleeve (20) is to be made into the form (asking simultaneously by Fig. 1, Fig. 2 and shown in Figure 3) that an end has flange (201), when inner sleeve (20) is inserted in the perforation (11) of kernel (10), can make flange (201) be exposed outside, the other end stretches out a suitable section relatively, for external coating (30) fusion of joining; And inner sleeve (20) can cooperate an enclosing cover (21) to use, this enclosing cover (21) has a flange (211) equally, when inner sleeve (20) is inserted by the two ends of perforation (11) respectively with enclosing cover (21), can make enclosing cover (21) not have an end of flange and be embedded in (it is shown in Figure 5 to be arranged in pairs or groups by Fig. 4 simultaneously) in the inner sleeve (20), and maybe can make the inner sleeve (20) and the interior square end of enclosing cover (21) connect (please simultaneously by shown in Figure 6); And this inner sleeve (20) can establish and be multistage shape (please simultaneously by shown in Figure 7), establishes when itself and enclosing cover (21) match to set up jointly, will produce identical effect.

Only the above only is a preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this; Promptly the equalization of doing according to the utility model generally changes and modifies, and all should still belong in the scope that claim of the present utility model contains.

Claims

1, a kind of structural improvement of hammering piece into shape is characterized in that, the central perforation of hammer piece kernel is broadcast into one and is normalized inner sleeve, and hammer piece kernel appearance is coated with the external coating that one deck and space outerpace are isolated, the fusion of joining fully of its external coating and inner sleeve.

According to the structural improvement of the described hammer piece of claim 1, it is characterized in that 2, wherein hammering the piece kernel into shape is metal material.

According to the structural improvement of the described hammer piece of claim 2, it is characterized in that 3, wherein kernel is an ironwork.

According to the structural improvement of the described hammer piece of claim 1, it is characterized in that 4, wherein kernel both sides ora terminalis all is formed with lead angle.

According to the structural improvement of the described hammer piece of claim 1, it is characterized in that 5, wherein inner sleeve one end has flange, be inserted in kernel when perforation, this flange is exposed outside, and the other end stretches out a suitable section relatively, with the external coating fusion of joining.

According to the structural improvement of the described hammer piece of claim 1, it is characterized in that 6, wherein inner sleeve cooperates an enclosing cover, this is outer to cover and has a flange, when inner sleeve with enclosing cover during respectively by the insertion of perforation two ends, this enclosing cover is not had an end of flange and is embedded in the inner sleeve.

According to the structural improvement of the described hammer piece of claim 1, it is characterized in that 7, wherein inner sleeve cooperates an enclosing cover to use, this is outer to cover and has a flange, when inner sleeve with enclosing cover during respectively by the insertion of perforation two ends, the interior square end of this inner sleeve and enclosing cover connects.

According to the structural improvement of the described hammer piece of claim 1, it is characterized in that 8, wherein inner sleeve is established and is the multistage shape, cooperate an enclosing cover group if use.